Project Number Date
test_Tails_ISO_devel 3868 14 Jun 2025, 13:45

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 13:28.590 Passed
Tags: @product @slow @not_release_blocker
Feature System memory erasure on shutdown
As a Tails user when I shutdown Tails I want the system memory to be free from sensitive data.
Tags: @product @slow @not_release_blocker
31.717
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 9.393
And I prepare Tails for memory erasure tests 2.177
When I start a process allocating 128 MiB of memory with a known pattern 3.286
Then patterns cover at least 128 MiB in the guest's memory 5.173 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.608
Then I find very few patterns in the guest's memory after 5 seconds 11.077 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 1.770
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.550
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 9.285
And I prepare Tails for memory erasure tests 0.418
And I find very few patterns in the guest's memory 3.836 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.892
Then patterns cover at least 99% of the test FS size in the guest's memory 6.611 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.403
Then I find very few patterns in the guest's memory after 3 seconds 7.100 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:330 0.685
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.152
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 10.511
And I prepare Tails for memory erasure tests 0.776
When I plug and mount a 128 MiB USB drive with a vfat filesystem 12.090
Then I find very few patterns in the guest's memory 7.137 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.657
Then patterns cover at least 75% of the test FS size in the guest's memory 5.032 
Pattern coverage: 89.184% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.761
Then I find very few patterns in the guest's memory after 3 seconds 11.604 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 0.494
And I read the content of the test FS 0.765
Then patterns cover at least 99% of the test FS size in the guest's memory 10.149 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.620
Then I find very few patterns in the guest's memory after 3 seconds 13.550 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 1.454
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:33.829
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 10.141
And I prepare Tails for memory erasure tests 0.802
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 46.061
Then I find very few patterns in the guest's memory 3.815 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.658
Then patterns cover at least 99% of the test FS size in the guest's memory 3.752 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.828
Then I find very few patterns in the guest's memory after 3 seconds 6.919 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 5.280
And I read the content of the test FS 0.541
Then patterns cover at least 99% of the test FS size in the guest's memory 3.467 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.710
Then I find very few patterns in the guest's memory after 3 seconds 8.847 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 1.988
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
50.992
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.631
And I prepare Tails for memory erasure tests 0.654
When I fill a 128 MiB file with a known pattern on the root filesystem 15.505
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.908
Then patterns cover at least 128 MiB in the guest's memory 3.408 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.871 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 3.786
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:46.348
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.021
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:56.210
And I prepare Tails for memory erasure tests 0.418
When I fill a 128 MiB file with a known pattern on the persistent filesystem 27.346
When I trigger shutdown 0.091
Then I find very few patterns in the guest's memory after 20 seconds 22.280 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 3.700
After features/support/hooks.rb:100 0.018